Patents by Inventor N. S. Choi

N. S. Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for reducing absorption of undesired lipids in the gastrointestinal tract
    Patent number: 6180617
    Abstract: A composition is disclosed for use in reducing the availability of undesired lipids, such as cholesterol, in the fluid media of the gastrointestinal tract prior to absorption of the lipids across the cells lining the tract. The composition is a nontoxic, substantially nondigestible polymer to which ligands are chemically bonded through biologically stable ether groups. The ligands scavenge the undesired lipids from the fluid media.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 30, 2001
    Inventors: Allan S. Hoffman, N. S. Choi
  • Method for reducing absorption of undesired lipids in the gastrointestinal tract
    Patent number: 5597810
    Abstract: A composition is disclosed for use in reducing the availability of undesired lipids, such as cholesterol, in the fluid media of the gastrointestinal tract prior to absorption of the lipids across the cells lining the tract. The composition is a nontoxic, substantially nondigestible polymer to which ligands are chemically bonded through biologically stable ether groups. The ligands scavenge the undesired lipids from the fluid media.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: January 28, 1997
    Inventors: Allan S. Hoffman, N. S. Choi